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nasty-shy [4]
2 years ago
12

Which triangles are right triangles? Select ALL correct answers.

Mathematics
1 answer:
vredina [299]2 years ago
5 0

Answer:

2 , 3 ,4

Step-by-step explanation:

to find the right triangle use the pythagorian method

A^2+B^2= C^2

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Dexter has a gift card for $20.00 to an electronics store. He also has a coupon for 25% off his entire purchase, so he will be p
svetlana [45]

Answer:

The linear equation that represent the situation is x=20-0.75(10+2)

The remaining balance on his gift card is \$11

Step-by-step explanation:

Let

x------> represents the remaining balance

we know that

The linear equation that represent the situation is equal to

x=20-0.75(10+2)

Solve

x=20-0.75(12)

x=20-9

x=\$11

3 0
2 years ago
Read 2 more answers
The cost of a pen at the office supply store is $2.65. the school store sells the pen for $3.45. How much does the school store
denis23 [38]

Answer:

30.1%

Step-by-step explanation:

The increase in price (markup) is ($3.45 - $2.65) = $0.80.

The increase in price (as a decimal fraction) is 0.80/2.65, or 0.301; as a percentate, this is 30.1%

7 0
2 years ago
What is the angular velocity of a 6–foot pendulum that takes 3 seconds to complete an arc of 14.13 feet? Use 3.14 for π.
RoseWind [281]
The angular velocity is defined by the position angle over time.
Get first the position angle of the pendulum which has the formula of s = rθ where s = arc length, r = radius (or length of the pendulum's string), and θ = position angle. Getting θ, we have <span>θ = s/r = 14.13 ft / 6 ft = 2.355 rad
Thus, the angular velocity is </span>θ/t where t = time; so 2.355 rad / 3 sec = 0.785 rad/sec
Hope this helps.
6 0
2 years ago
What is a coefficient
Bumek [7]

Answer:

a coefficient is the number before a variable for example in 18x 18 is the coefficient or in 27y its 27

Step-by-step explanation:

8 0
3 years ago
What is the probability of rolling a summer five when rolling to six sided number cubes
Vera_Pavlovna [14]
Not sure about the summer part, but  the answer should be 1 / 6.  Maybe your question is wrong.
8 0
3 years ago
Read 2 more answers
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